Function replaceUpdate

src/ExtMsg.actor.cpp:1448–1450

	return ref(new ExtOperatorUpdate(msgUpdate));
}
Reference<IUpdateOp> replaceUpdate(bson::BSONObj const& replaceWith) {
	return ref(new ExtReplaceUpdate(replaceWith));
}
Reference<IInsertOp> simpleUpsert(bson::BSONObj const& selector, bson::BSONObj const& update) {
	return ref(new ExtSimpleUpsert(selector, update));
}